The "Gospel" That Is No Gospel At All

How do you feel about this? I feel anger. Lots of anger.

April Fools

So today is April first, and across the world people will be playing pranks on each other in the name of good humor and fun. So here's my question, What's the best April fool's joke you've ever played? And if you've done a good one but it wasn't on April first...that's acceptable too :).

As always please be sensible about items that could be overly embarrassing...or sensative in nature. But if it was in good, clean fun...tell us about it :).